[PATCH V2 5/5] arm64:dt:ls2080a: Add TMU device tree support for LS2080A
Jia Hongtao
hongtao.jia at nxp.com
Sun Oct 9 17:47:06 AEDT 2016
From: Hongtao Jia <hongtao.jia at nxp.com>
Also add nodes and properties for thermal management support.
Signed-off-by: Jia Hongtao <hongtao.jia at nxp.com>
---
Changes for V2:
* Rebase on latest linux-next tree (next-20161006).
arch/arm64/boot/dts/freescale/fsl-ls2080a-qds.dts | 2 +-
arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts | 2 +-
arch/arm64/boot/dts/freescale/fsl-ls2080a-simu.dts | 2 +-
arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi | 116 +++++++++++++++++++--
4 files changed, 111 insertions(+), 11 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls2080a-qds.dts
index b0dd010..8bc1f8f 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a-qds.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a-qds.dts
@@ -46,7 +46,7 @@
/dts-v1/;
-/include/ "fsl-ls2080a.dtsi"
+#include "fsl-ls2080a.dtsi"
/ {
model = "Freescale Layerscape 2080a QDS Board";
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts
index ad0ebb8..265e0a8 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts
@@ -46,7 +46,7 @@
/dts-v1/;
-/include/ "fsl-ls2080a.dtsi"
+#include "fsl-ls2080a.dtsi"
/ {
model = "Freescale Layerscape 2080a RDB Board";
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a-simu.dts b/arch/arm64/boot/dts/freescale/fsl-ls2080a-simu.dts
index 505d038..290604b 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a-simu.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a-simu.dts
@@ -46,7 +46,7 @@
/dts-v1/;
-/include/ "fsl-ls2080a.dtsi"
+#include "fsl-ls2080a.dtsi"
/ {
model = "Freescale Layerscape 2080a software Simulator model";
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
index 337da90..723185e 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
@@ -44,6 +44,8 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <dt-bindings/thermal/thermal.h>
+
/ {
compatible = "fsl,ls2080a";
interrupt-parent = <&gic>;
@@ -62,15 +64,16 @@
*/
/* We have 4 clusters having 2 Cortex-A57 cores each */
- cpu at 0 {
+ cpu0: cpu at 0 {
device_type = "cpu";
compatible = "arm,cortex-a57";
reg = <0x0>;
clocks = <&clockgen 1 0>;
next-level-cache = <&cluster0_l2>;
+ #cooling-cells = <2>;
};
- cpu at 1 {
+ cpu1: cpu at 1 {
device_type = "cpu";
compatible = "arm,cortex-a57";
reg = <0x1>;
@@ -78,15 +81,16 @@
next-level-cache = <&cluster0_l2>;
};
- cpu at 100 {
+ cpu2: cpu at 100 {
device_type = "cpu";
compatible = "arm,cortex-a57";
reg = <0x100>;
clocks = <&clockgen 1 1>;
next-level-cache = <&cluster1_l2>;
+ #cooling-cells = <2>;
};
- cpu at 101 {
+ cpu3: cpu at 101 {
device_type = "cpu";
compatible = "arm,cortex-a57";
reg = <0x101>;
@@ -94,15 +98,16 @@
next-level-cache = <&cluster1_l2>;
};
- cpu at 200 {
+ cpu4: cpu at 200 {
device_type = "cpu";
compatible = "arm,cortex-a57";
reg = <0x200>;
clocks = <&clockgen 1 2>;
next-level-cache = <&cluster2_l2>;
+ #cooling-cells = <2>;
};
- cpu at 201 {
+ cpu5: cpu at 201 {
device_type = "cpu";
compatible = "arm,cortex-a57";
reg = <0x201>;
@@ -110,15 +115,16 @@
next-level-cache = <&cluster2_l2>;
};
- cpu at 300 {
+ cpu6: cpu at 300 {
device_type = "cpu";
compatible = "arm,cortex-a57";
reg = <0x300>;
clocks = <&clockgen 1 3>;
next-level-cache = <&cluster3_l2>;
+ #cooling-cells = <2>;
};
- cpu at 301 {
+ cpu7: cpu at 301 {
device_type = "cpu";
compatible = "arm,cortex-a57";
reg = <0x301>;
@@ -215,6 +221,100 @@
clocks = <&sysclk>;
};
+ tmu: tmu at 1f80000 {
+ compatible = "fsl,qoriq-tmu";
+ reg = <0x0 0x1f80000 0x0 0x10000>;
+ interrupts = <0 23 0x4>;
+ fsl,tmu-range = <0xb0000 0x9002a 0x6004c 0x30062>;
+ fsl,tmu-calibration = <0x00000000 0x00000026
+ 0x00000001 0x0000002d
+ 0x00000002 0x00000032
+ 0x00000003 0x00000039
+ 0x00000004 0x0000003f
+ 0x00000005 0x00000046
+ 0x00000006 0x0000004d
+ 0x00000007 0x00000054
+ 0x00000008 0x0000005a
+ 0x00000009 0x00000061
+ 0x0000000a 0x0000006a
+ 0x0000000b 0x00000071
+
+ 0x00010000 0x00000025
+ 0x00010001 0x0000002c
+ 0x00010002 0x00000035
+ 0x00010003 0x0000003d
+ 0x00010004 0x00000045
+ 0x00010005 0x0000004e
+ 0x00010006 0x00000057
+ 0x00010007 0x00000061
+ 0x00010008 0x0000006b
+ 0x00010009 0x00000076
+
+ 0x00020000 0x00000029
+ 0x00020001 0x00000033
+ 0x00020002 0x0000003d
+ 0x00020003 0x00000049
+ 0x00020004 0x00000056
+ 0x00020005 0x00000061
+ 0x00020006 0x0000006d
+
+ 0x00030000 0x00000021
+ 0x00030001 0x0000002a
+ 0x00030002 0x0000003c
+ 0x00030003 0x0000004e>;
+ little-endian;
+ #thermal-sensor-cells = <1>;
+ };
+
+ thermal-zones {
+ cpu_thermal: cpu-thermal {
+ polling-delay-passive = <1000>;
+ polling-delay = <5000>;
+
+ thermal-sensors = <&tmu 4>;
+
+ trips {
+ cpu_alert: cpu-alert {
+ temperature = <75000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu_crit: cpu-crit {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu_alert>;
+ cooling-device =
+ <&cpu0 THERMAL_NO_LIMIT
+ THERMAL_NO_LIMIT>;
+ };
+ map1 {
+ trip = <&cpu_alert>;
+ cooling-device =
+ <&cpu2 THERMAL_NO_LIMIT
+ THERMAL_NO_LIMIT>;
+ };
+ map2 {
+ trip = <&cpu_alert>;
+ cooling-device =
+ <&cpu4 THERMAL_NO_LIMIT
+ THERMAL_NO_LIMIT>;
+ };
+ map3 {
+ trip = <&cpu_alert>;
+ cooling-device =
+ <&cpu6 THERMAL_NO_LIMIT
+ THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+ };
+
serial0: serial at 21c0500 {
compatible = "fsl,ns16550", "ns16550a";
reg = <0x0 0x21c0500 0x0 0x100>;
--
2.1.0.27.g96db324
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